Home / 2,952,419.40-4,428,629.10-822,832.20

Finding the Fourth Proportional to 2,952,419.40, 4,428,629.10 and 822,832.20

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Solution

The fourth proportional to 2,952,419.40, 4,428,629.10 and 822,832.20 is: 1,234,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,419.40 : 4,428,629.10 = 822,832.20 : x
  2. Step 2: Convert to fraction form
    2,952,419.40/4,428,629.10 = 822,832.20/x
  3. Step 3: Cross multiply
    2,952,419.40x = 4,428,629.10 × 822,832.20
  4. Step 4: Simplify right side
    2,952,419.40x = 3,644,018,625,337.02
  5. Step 5: Solve for x
    x = 3,644,018,625,337.02/2,952,419.40
  6. Step 6: Final answer
    x = 1,234,248.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.